Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 86°F (30°C) in August to a warm 80.6°F (27°C). Keltonburg's nighttime temperature in September falls to an average of 60.4°F (15.8°C).Heat index
September's heat index is appraised at 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.17" (55mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Keltonburg, the average length of the day in September is 12h and 23min.On the first day of September in Keltonburg, Tennessee, sunrise is at 6:15 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:27 pm CDT.
Sunshine
In Keltonburg, Tennessee, the average sunshine in September is 8.4h.UV index
In Keltonburg, Tennessee, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the average September temperature in Keltonburg?
What is the average humidity in September in Keltonburg?
What is the driest month in Keltonburg?
How many days does it rain in September in Keltonburg?
When it does not snow in Keltonburg?
What is the average length of the day in September in Keltonburg?
When is the sunrise / sunset in September in Keltonburg?
How long on average sun shines in September in Keltonburg?
What is the UV index intensity in September in Keltonburg?
Average temperature in September
Keltonburg, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Keltonburg, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Keltonburg, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Keltonburg, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Keltonburg, TN
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Keltonburg, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Keltonburg, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Keltonburg, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Keltonburg, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Keltonburg, TN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Keltonburg, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Keltonburg, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Keltonburg, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Keltonburg, Tennessee, USA
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